This is the song Ginny/Cho chang From A Very Potter Musical. Its a fun song.
This is the Ginny Version if you want the Cho Chang version simply change the name.
Youre tall and fun and pretty
Youre really, really skinny
Ginny
Im the Mickey to your Minnie
Youre the Tigger to my Winnie
Ginny
Wanna take you to the city
Gonna take you out to dinney
Ginny
Youre cuter than a guinea pig
Wanna take you up to Winnipeg
Thats in Canada!
C,Bb, F repeated after that
Ginny Ginny Ginny Ginny